Home / 254,642.08-381,341.04-219,805.60

Finding the Fourth Proportional to 254,642.08, 381,341.04 and 219,805.60

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Solution

The fourth proportional to 254,642.08, 381,341.04 and 219,805.60 is: 329,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,642.08 : 381,341.04 = 219,805.60 : x
  2. Step 2: Convert to fraction form
    254,642.08/381,341.04 = 219,805.60/x
  3. Step 3: Cross multiply
    254,642.08x = 381,341.04 × 219,805.60
  4. Step 4: Simplify right side
    254,642.08x = 83,820,896,101.82
  5. Step 5: Solve for x
    x = 83,820,896,101.82/254,642.08
  6. Step 6: Final answer
    x = 329,171.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.